All Key Combination for Windows

Windows logo key: - 

Open or close the Start menu.

Windows logo key + Pause: -

Display the System Properties dialog box.

Windows logo key + D: -

Display the desktop.

Windows logo key + M: -

Minimize all windows.

Windows logo key + Shift + M: -

Restore minimized windows to the desktop.

Windows logo key + E: -

Open My Computer.

Windows logo key + F

Search for a file or folder.

Ctrl +Windows logo key + F

Search for computers (if you're on a network).

Windows logo key + L

Lock your computer or switch users.

Windows logo key + R

Open the Run dialog box.

Windows logo key + T

Cycle through programs on the taskbar.

Windows logo key+ number

Start the program pinned to the taskbar in the position indicated by the number. If the program is already running, switch to that program.

Shift + Windows logo key + number

Start a new instance of the program pinned to the taskbar in the position indicated by the number.

Ctrl + Windows logo key + number

Switch to the last active window of the program pinned to the taskbar in the position indicated by the number.

Alt + Windows logo key + number

Open the Jump List for the program pinned to the taskbar in the position indicated by the number.

Windows logo key + Tab (WIn 7)

Cycle through programs on the taskbar by using Aero Flip 3-D.

Ctrl + Windows logo key + Tab (Win 7)

Use the arrow keys to cycle through programs on the taskbar by using Aero Flip 3-D.

Ctrl + Windows logo key + B (Win 7)

Switch to the program that displayed a message in the notification area.

Windows logo key +Spacebar

Preview the desktop.

Windows logo key + Up Arrow

Maximize the window.

Windows logo key + Left Arrow

Maximize the window to the left side of the screen.

Windows logo key + Right Arrow

Maximize the window to the right side of the screen.

Windows logo key + Down Arrow

Minimize the window.

Windows logo key + Home

Minimize all but the active window.

Windows logo key + Shift + Up Arrow

Stretch the window to the top and bottom of the screen.

Windows logo key +Shift + Left Arrow or Right Arrow

Move a window from one monitor to another.

Windows logo key + P

Choose a presentation display mode.

Windows logo key + G

Cycle through gadgets.

Windows logo key + U

Open Ease of Access Center.

Windows logo key + X

Open Windows Mobility Center.

I hope this would help u alot.. Comments are Welcome...